android.content.IntentFilter filter = new android.content.IntentFilter();
filter.addAction(android.net.wifi.WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
- final int final_self = self;
+ final nit.app.NitObject final_self = self;
App_incr_ref(final_self);
context.registerReceiver(
final String final_title = title;
final boolean final_loggedin = loggedin;
- final int final_self = self;
+ final nit.app.NitObject final_self = self;
BeerView_incr_ref(self); // Nit GC
view.setOnTouchListener(new android.view.View.OnTouchListener() {
public class NitActivity extends Activity {
// Nit activity associated to `this`
- protected int nitActivity = 0;
+ protected long nitActivity = 0;
/*
* Calls to Nit or to the C framework
/*
* Callbacks to Nit through C
*/
- protected native int nitRegisterActivity();
- protected native void nitOnCreate(int activity, Bundle savedInstanceState);
- protected native void nitOnStart(int activity);
- protected native void nitOnRestart(int activity);
- protected native void nitOnResume(int activity);
- protected native void nitOnPause(int activity);
- protected native void nitOnStop(int activity);
- protected native void nitOnDestroy(int activity);
- protected native void nitOnSaveInstanceState(int activity, Bundle savedInstanceState);
- protected native void nitOnRestoreInstanceState(int activity, Bundle savedInstanceState);
- protected native boolean nitOnBackPressed(int activity);
- protected native boolean nitOnKeyDown(int activity, int keyCode, KeyEvent event);
- protected native boolean nitOnKeyLongPress(int activity, int keyCode, KeyEvent event);
- protected native boolean nitOnKeyMultiple(int activity, int keyCode, int count, KeyEvent event);
- protected native boolean nitOnKeyUp(int activity, int keyCode, KeyEvent event);
+ protected native long nitRegisterActivity();
+ protected native void nitOnCreate(long activity, Bundle savedInstanceState);
+ protected native void nitOnStart(long activity);
+ protected native void nitOnRestart(long activity);
+ protected native void nitOnResume(long activity);
+ protected native void nitOnPause(long activity);
+ protected native void nitOnStop(long activity);
+ protected native void nitOnDestroy(long activity);
+ protected native void nitOnSaveInstanceState(long activity, Bundle savedInstanceState);
+ protected native void nitOnRestoreInstanceState(long activity, Bundle savedInstanceState);
+ protected native boolean nitOnBackPressed(long activity);
+ protected native boolean nitOnKeyDown(long activity, int keyCode, KeyEvent event);
+ protected native boolean nitOnKeyLongPress(long activity, int keyCode, KeyEvent event);
+ protected native boolean nitOnKeyMultiple(long activity, int keyCode, int count, KeyEvent event);
+ protected native boolean nitOnKeyUp(long activity, int keyCode, KeyEvent event);
/*
* Implementation of OS callbacks
# Execute `task.main` on the UI thread when possible
fun run_on_ui_thread(task: Task) import Task.main in "Java" `{
- final int final_task = task;
+ final nit.app.NitObject final_task = task;
Runnable runnable = new Runnable() {
@Override
public void run() {
# Get the locales that this assets manager contains data for
fun get_locales: Array[JavaString] import Array[JavaString], Array[JavaString].add in "Java" `{
- int arr = new_Array_of_JavaString();
+ nit.app.NitObject arr = new_Array_of_JavaString();
for (String s : self.getLocales()) {
Array_of_JavaString_add(arr, s);
}
# String Array of all the assets at the given path
fun list(path: JavaString): Array[JavaString] import Array[JavaString], Array[JavaString].add in "Java" `{
- int arr = new_Array_of_JavaString();
+ nit.app.NitObject arr = new_Array_of_JavaString();
try {
for (String s : self.list(path)) {
Array_of_JavaString_add(arr, s);
import android.app.Activity;
import java.util.ArrayList;
import java.util.Set;
+ import nit.app.NitObject;
`}
extern class NativeBundle in "Java" `{ android.os.Bundle `}
fun get(key: JavaString): JavaObject in "Java" `{ return self.get(key); `}
fun remove(key: JavaString) in "Java" `{ self.remove(key); `}
fun put_all(bundle: NativeBundle) in "Java" `{ self.putAll(bundle); `}
- fun key_set: HashSet[JavaString] import HashSet[JavaString],
- HashSet[JavaString].add in "Java" `{
+ fun key_set: HashSet[JavaString] import HashSet[JavaString],
+ HashSet[JavaString].add in "Java" `{
Set<String> java_set = self.keySet();
- int nit_hashset = new_HashSet_of_JavaString();
+ NitObject nit_hashset = new_HashSet_of_JavaString();
for (String element: java_set)
HashSet_of_JavaString_add(nit_hashset, element);
fun get_integer_array_list(key: JavaString): Array[Int]
import Array[Int], Array[Int].add in "Java" `{
ArrayList<Integer> java_array = self.getIntegerArrayList(key);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
if (java_array == null) return nit_array;
fun get_string_array_list(key: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
ArrayList<String> java_array = self.getStringArrayList(key);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
if (java_array == null) return nit_array;
fun get_char_sequence_array_list(key: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
ArrayList<CharSequence> java_array = self.getCharSequenceArrayList(key);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
if (java_array == null) return nit_array;
fun get_boolean_array(key: JavaString): Array[Bool]
import Array[Bool], Array[Bool].add in "Java" `{
boolean[] java_array = self.getBooleanArray(key);
- int nit_array = new_Array_of_Bool();
+ NitObject nit_array = new_Array_of_Bool();
if (java_array == null) return nit_array;
fun get_byte_array(key: JavaString): Array[Int]
import Array[Int], Array[Int].add in "Java" `{
byte[] java_array = self.getByteArray(key);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
if (java_array == null) return nit_array;
fun get_short_array(key: JavaString): Array[Int]
import Array[Int], Array[Int].add in "Java" `{
short[] java_array = self.getShortArray(key);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
if (java_array == null) return nit_array;
fun get_char_array(key: JavaString): Array[Char]
import Array[Char], Array[Char].add in "Java" `{
char[] java_array = self.getCharArray(key);
- int nit_array = new_Array_of_Char();
+ NitObject nit_array = new_Array_of_Char();
if (java_array == null) return nit_array;
fun get_int_array(key: JavaString): Array[Int]
import Array[Int], Array[Int].add in "Java" `{
int[] java_array = self.getIntArray(key);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
if (java_array == null) return nit_array;
fun get_long_array(key: JavaString): Array[Int]
import Array[Int], Array[Int].add in "Java" `{
long[] java_array = self.getLongArray(key);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
if (java_array == null) return nit_array;
fun get_float_array(key: JavaString): Array[Float]
import Array[Float], Array[Float].add in "Java" `{
float[] java_array = self.getFloatArray(key);
- int nit_array = new_Array_of_Float();
+ NitObject nit_array = new_Array_of_Float();
if (java_array == null) return nit_array;
fun get_double_array(key: JavaString): Array[Float]
import Array[Float], Array[Float].add in "Java" `{
double[] java_array = self.getDoubleArray(key);
- int nit_array = new_Array_of_Float();
+ NitObject nit_array = new_Array_of_Float();
if (java_array == null) return nit_array;
fun get_string_array(key: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
String[] java_array = self.getStringArray(key);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
if (java_array == null) return nit_array;
fun get_char_sequence_array(key: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
CharSequence[] java_array = self.getCharSequenceArray(key);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
if (java_array == null) return nit_array;
import android.graphics.Rect;
import java.util.Set;
import java.util.ArrayList;
+ import nit.app.NitObject;
`}
extern class NativeIntent in "Java" `{ android.content.Intent `}
fun boolean_array_extra(name: JavaString): Array[Bool] import Array[Bool],
Array[Bool].push in "Java" `{
boolean[] java_array = self.getBooleanArrayExtra(name);
- int nit_array = new_Array_of_Bool();
+ NitObject nit_array = new_Array_of_Bool();
for(int i=0; i < java_array.length; ++i)
Array_of_Bool_push(nit_array, java_array[i]);
fun byte_array_extra(name: JavaString): Array[Int] import Array[Int],
Array[Int].add in "Java" `{
byte[] java_array = self.getByteArrayExtra(name);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
for (int i=0; i < java_array.length; ++i)
Array_of_Int_add(nit_array, java_array[i]);
fun char_array_extra(name: JavaString): Array[Char] import Array[Char],
Array[Char].add in "Java" `{
char[] java_array = self.getCharArrayExtra(name);
- int nit_array = new_Array_of_Char();
+ NitObject nit_array = new_Array_of_Char();
for (int i = 0; i < java_array.length; ++i)
Array_of_Char_add(nit_array, java_array[i]);
fun char_sequence_array_extra(name: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
CharSequence[] java_array = self.getCharSequenceArrayExtra(name);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
for (int i = 0; i < java_array.length; ++i)
StringCopyArray_add(nit_array, (String) java_array[i]);
fun char_sequence_array_list_extra(name: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
ArrayList<CharSequence> java_array = self.getCharSequenceArrayListExtra(name);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
if (java_array == null) return nit_array;
fun categories: HashSet[String] import StringCopyHashSet,
StringCopyHashSet.add, StringCopyHashSet.collection in "Java" `{
Set<String> java_set = self.getCategories();
- int nit_hashset = new_StringCopyHashSet();
+ NitObject nit_hashset = new_StringCopyHashSet();
if (java_set == null) return nit_hashset;
fun double_array_extra(name: JavaString): Array[Float] import Array[Float],
Array[Float].push in "Java" `{
double[] java_array = self.getDoubleArrayExtra(name);
- int nit_array = new_Array_of_Float();
+ NitObject nit_array = new_Array_of_Float();
for(int i=0; i < java_array.length; ++i)
Array_of_Float_push(nit_array, java_array[i]);
fun float_array_extra(name: JavaString): Array[Float] import Array[Float],
Array[Float].push in "Java" `{
float[] java_array = self.getFloatArrayExtra(name);
- int nit_array = new_Array_of_Float();
+ NitObject nit_array = new_Array_of_Float();
for(int i=0; i < java_array.length; ++i)
Array_of_Float_push(nit_array, java_array[i]);
fun int_array_extra(name: JavaString): Array[Int] import Array[Int],
Array[Int].push in "Java" `{
int[] java_array = self.getIntArrayExtra(name);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
for(int i=0; i < java_array.length; ++i)
Array_of_Int_push(nit_array, java_array[i]);
fun long_array_extra(name: JavaString): Array[Int] import Array[Int],
Array[Int].push in "Java" `{
long[] java_array = self.getLongArrayExtra(name);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
for(int i=0; i < java_array.length; ++i)
Array_of_Int_push(nit_array, (int) java_array[i]);
fun short_array_extra(name: JavaString): Array[Int] import Array[Int],
Array[Int].push in "Java" `{
short[] java_array = self.getShortArrayExtra(name);
- int nit_array = new_Array_of_Int();
+ NitObject nit_array = new_Array_of_Int();
for(int i=0; i < java_array.length; ++i)
Array_of_Int_push(nit_array, (int) java_array[i]);
fun string_array_extra(name: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
String[] java_array = self.getStringArrayExtra(name);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
for(int i=0; i < java_array.length; ++i)
StringCopyArray_add(nit_array, java_array[i]);
fun string_array_list_extra(name: JavaString): Array[String]
import StringCopyArray, StringCopyArray.add, StringCopyArray.collection in "Java" `{
ArrayList<String> java_array = self.getStringArrayListExtra(name);
- int nit_array = new_StringCopyArray();
+ NitObject nit_array = new_StringCopyArray();
for (String element: java_array)
StringCopyArray_add(nit_array, element);
# the Java virtual machine. For this reason, the main _must_ execute quickly,
# on the main UI thread at least.
module nit_activity is
- extra_java_files "NitActivity.java"
+ extra_java_files "nit.app.NitActivity"
android_activity "nit.app.NitActivity"
end
* Implementations of NitActivity.java native methods
*/
- JNIEXPORT jint JNICALL Java_nit_app_NitActivity_nitRegisterActivity
+ JNIEXPORT jlong JNICALL Java_nit_app_NitActivity_nitRegisterActivity
(JNIEnv *env, jobject java_activity)
{
Activity nit_activity = App_register_activity(global_app, java_activity);
Activity_incr_ref(nit_activity);
- return (jint)(void*)nit_activity;
+ return (jlong)(void*)nit_activity;
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnCreate
- (JNIEnv *env, jobject java_activity, jint nit_activity, jobject saved_state)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity, jobject saved_state)
{
Activity_on_create((Activity)nit_activity, saved_state);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnStart
- (JNIEnv *env, jobject java_activity, jint nit_activity)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity)
{
Activity_on_start((Activity)nit_activity);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnRestart
- (JNIEnv *env, jobject java_activity, jint nit_activity)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity)
{
Activity_on_restart((Activity)nit_activity);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnResume
- (JNIEnv *env, jobject java_activity, jint nit_activity)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity)
{
Activity_on_resume((Activity)nit_activity);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnPause
- (JNIEnv *env, jobject java_activity, jint nit_activity)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity)
{
Activity_on_pause((Activity)nit_activity);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnStop
- (JNIEnv *env, jobject java_activity, jint nit_activity)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity)
{
Activity_on_stop((Activity)nit_activity);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnDestroy
- (JNIEnv *env, jobject java_activity, jint nit_activity)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity)
{
Activity_on_destroy((Activity)nit_activity);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnSaveInstanceState
- (JNIEnv *env, jobject java_activity, jint nit_activity, jobject saved_state)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity, jobject saved_state)
{
Activity_on_save_instance_state((Activity)nit_activity, saved_state);
}
JNIEXPORT void JNICALL Java_nit_app_NitActivity_nitOnRestoreInstanceState
- (JNIEnv *env, jobject java_activity, jint nit_activity, jobject saved_state)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity, jobject saved_state)
{
Activity_on_restore_instance_state((Activity)nit_activity, saved_state);
}
JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnBackPressed
- (JNIEnv *env, jobject java_activity, jint nit_activity)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity)
{
return (jboolean)Activity_on_back_pressed((Activity)nit_activity);
}
JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyDown
- (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jobject event)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity, jint keyCode, jobject event)
{
return (jboolean)Activity_on_key_down((Activity)nit_activity, keyCode, event);
}
JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyLongPress
- (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jobject event)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity, jint keyCode, jobject event)
{
return (jboolean)Activity_on_key_long_press((Activity)nit_activity, keyCode, event);
}
JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyMultiple
- (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jint count, jobject event)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity, jint keyCode, jint count, jobject event)
{
return (jboolean)Activity_on_key_multiple((Activity)nit_activity, keyCode, count, event);
}
JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyUp
- (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jobject event)
+ (JNIEnv *env, jobject java_activity, jlong nit_activity, jint keyCode, jobject event)
{
return (jboolean)Activity_on_key_up((Activity)nit_activity, keyCode, event);
}
// Service implemented in Nit
public class NitService extends Service {
- protected int nitService = 0;
+ protected long nitService = 0;
static {
System.loadLibrary("nit_app");
return null;
}
- protected native int nitNewService();
- protected native int nitOnStartCommand(int nitService, Intent intent, int flags, int id);
- protected native void nitOnCreate(int nitService);
- protected native void nitOnDestroy(int nitService);
+ protected native long nitNewService();
+ protected native int nitOnStartCommand(long nitService, Intent intent, int flags, int id);
+ protected native void nitOnCreate(long nitService);
+ protected native void nitOnDestroy(long nitService);
}
# Import this module to launch `Service` at device boot
module at_boot is
- extra_java_files "NitBroadcastReceiver.java"
+ extra_java_files "nit.app.NitBroadcastReceiver"
android_manifest """
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
"""
# Android service support for _app.nit_ centered around the class `Service`
module service is
- extra_java_files "NitService.java"
+ extra_java_files "nit.app.NitService"
android_manifest_application """<service android:name="nit.app.NitService"></service>"""
end
// Nit's App running instance, declared in `nit_activity`
extern App global_app;
- JNIEXPORT jint JNICALL Java_nit_app_NitService_nitNewService
+ JNIEXPORT jlong JNICALL Java_nit_app_NitService_nitNewService
(JNIEnv *env, jobject java_service)
{
// Pin a ref to the Java service in the Java GC
Service_incr_ref(nit_service);
- return (jint)(void*)nit_service;
+ return (jlong)(void*)nit_service;
}
JNIEXPORT jint JNICALL Java_nit_app_NitService_nitOnStartCommand
- (JNIEnv *env, jobject java_service, jint nit_service, jobject intent, jint flags, jint id)
+ (JNIEnv *env, jobject java_service, jlong nit_service, jobject intent, jint flags, jint id)
{
return Service_on_start_command((Service)nit_service, intent, flags, id);
}
JNIEXPORT void JNICALL Java_nit_app_NitService_nitOnCreate
- (JNIEnv *env, jobject java_service, jint nit_service)
+ (JNIEnv *env, jobject java_service, jlong nit_service)
{
Service_on_create((Service)nit_service);
}
JNIEXPORT void JNICALL Java_nit_app_NitService_nitOnDestroy
- (JNIEnv *env, jobject java_service, jint nit_service)
+ (JNIEnv *env, jobject java_service, jlong nit_service)
{
Service_on_destroy((Service)nit_service);
fun get_all: HashMap[JavaString, JavaObject] import HashMap[JavaString, JavaObject],
HashMap[JavaString, JavaObject].[]= in "Java" `{
Map<String, ?> java_map = null;
- int nit_hashmap = new_HashMap_of_JavaString_JavaObject();
+ nit.app.NitObject nit_hashmap = new_HashMap_of_JavaString_JavaObject();
try {
java_map = self.getAll();
} catch (NullPointerException e) {
HashSet[JavaString].add in "Java" `{
Set<String> def_value = new HashSet<String>();
Set<String> java_set = self.getStringSet(key, def_value);
- int nit_hashset = new_HashSet_of_JavaString();
+ nit.app.NitObject nit_hashset = new_HashSet_of_JavaString();
for (String element: java_set)
HashSet_of_JavaString_add(nit_hashset, element);
import HashSet[JavaString], HashSet[JavaString].iterator, Iterator[JavaString].is_ok,
Iterator[JavaString].item, Iterator[JavaString].next in "Java" `{
Set<String> java_set = new HashSet<String>();
- int itr = HashSet_of_JavaString_iterator(value);
+ nit.app.NitObject itr = HashSet_of_JavaString_iterator(value);
while (Iterator_of_JavaString_is_ok(itr)) {
java_set.add(Iterator_of_JavaString_item(itr));
redef class Android_widget_ArrayAdapter
private new (context: NativeContext, res: Int, sender: ListLayout)
import ListLayout.create_view in "Java" `{
- final int final_sender_object = sender;
+ final nit.app.NitObject final_sender_object = sender;
ListLayout_incr_ref(sender);
return new android.widget.ArrayAdapter(context, (int)res) {
private fun set_callback_on_toggle(view: NATIVE)
import on_toggle in "Java" `{
- final int final_sender_object = self;
+ final nit.app.NitObject final_sender_object = self;
CheckBox_incr_ref(final_sender_object);
view.setOnCheckedChangeListener(
redef class NativeButton
private new (context: NativeActivity, sender_object: Button)
import Button.on_click in "Java" `{
- final int final_sender_object = sender_object;
+ final nit.app.NitObject final_sender_object = sender_object;
Button_incr_ref(final_sender_object);
return new android.widget.Button(context) {
redef class Android_app_Fragment
private new (nit_window: Window)
import Window.on_create_fragment in "Java" `{
- final int final_nit_window = nit_window;
+ final nit.app.NitObject final_nit_window = nit_window;
Window_incr_ref(nit_window);
return new android.app.Fragment(){
--- /dev/null
+/* This file is part of NIT ( http://www.nitlanguage.org ).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package nit.app;
+
+// General class for all references to Nit objects from Java in the FFI
+public class NitObject {
+
+ // Address to the object in Nit memory
+ private long pointer;
+
+ protected NitObject(long pointer) {
+ this.pointer = pointer;
+ }
+}
cflags "-I $(JAVA_HOME)/include/ -I $(JAVA_HOME)/include/linux/"
ldflags "-L $(JNI_LIB_PATH) -ljvm"
new_annotation extra_java_files
+ extra_java_files "nit.app.NitObject"
end
import jvm
print "add not implemented in {inspect}"
abort
end
+
+ redef fun accept_ast_validation(v)
+ do
+ super
+ if mtype == null and not is_typed then
+ #debug "TYPING: untyped expression"
+ end
+ end
end
# A placeholder for a `AExpr` node
private init make
do
end
+
+ redef fun accept_ast_validation(v)
+ do
+ super
+ debug "PARENT: remaining placeholder"
+ end
end
redef class ABlockExpr
end
end
+# Check the consitency of AST
+class ASTValidationVisitor
+ super Visitor
+ redef fun visit(node)
+ do
+ node.accept_ast_validation(self)
+ end
+ private var path = new CircularArray[ANode]
+ private var seen = new HashSet[ANode]
+end
+
+redef class ANode
+ # Recursively validate a AST node.
+ # This ensure that location and parenting are defined and coherent.
+ #
+ # After complex low-level AST manipulation and construction,
+ # it is recommended to call it.
+ #
+ # Note: this just instantiate and run an `ASTValidationVisitor`.
+ fun validate
+ do
+ (new ASTValidationVisitor).enter_visit(self)
+ end
+
+ private fun accept_ast_validation(v: ASTValidationVisitor)
+ do
+ var parent = self.parent
+ var path = v.path
+
+ if path.length > 0 then
+ var path_parent = v.path.first
+ if parent == null then
+ self.parent = path_parent
+ #debug "PARENT: expected parent: {path_parent}"
+ v.seen.add(self)
+ else if parent != path_parent then
+ self.parent = path_parent
+ if v.seen.has(self) then
+ debug "DUPLICATE (NOTATREE): already seen node with parent {parent} now with {path_parent}."
+ else
+ v.seen.add(self)
+ debug "PARENT: expected parent: {path_parent}, got {parent}"
+ end
+ end
+ end
+
+ if not isset _location then
+ #debug "LOCATION: unlocated node {v.path.join(", ")}"
+ _location = self.parent.location
+ end
+
+ path.unshift(self)
+ visit_all(v)
+ path.shift
+ end
+end
+
+redef class AAnnotation
+ redef fun accept_ast_validation(v)
+ do
+ # Do not enter in annotations
+ end
+end
+++ /dev/null
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Check the consitency of AST
-module astvalidation
-
-intrude import parser
-import astbuilder
-
-class ASTValidationVisitor
- super Visitor
- redef fun visit(node)
- do
- node.accept_ast_validation(self)
- end
- private var path = new CircularArray[ANode]
- private var seen = new HashSet[ANode]
-end
-
-redef class ANode
- # Recursively validate a AST node.
- # This ensure that location and parenting are defined and coherent.
- #
- # After complex low-level AST manipulation and construction,
- # it is recommended to call it.
- #
- # Note: this just instantiate and run an `ASTValidationVisitor`.
- fun validate
- do
- (new ASTValidationVisitor).enter_visit(self)
- end
-
- private fun accept_ast_validation(v: ASTValidationVisitor)
- do
- var parent = self.parent
- var path = v.path
-
- if path.length > 0 then
- var path_parent = v.path.first
- if parent == null then
- self.parent = path_parent
- #debug "PARENT: expected parent: {path_parent}"
- v.seen.add(self)
- else if parent != path_parent then
- self.parent = path_parent
- if v.seen.has(self) then
- debug "DUPLICATE (NOTATREE): already seen node with parent {parent} now with {path_parent}."
- else
- v.seen.add(self)
- debug "PARENT: expected parent: {path_parent}, got {parent}"
- end
- end
- end
-
- if not isset _location then
- #debug "LOCATION: unlocated node {v.path.join(", ")}"
- _location = self.parent.location
- end
-
- path.unshift(self)
- visit_all(v)
- path.shift
- end
-end
-
-redef class AAnnotation
- redef fun accept_ast_validation(v)
- do
- # Do not enter in annotations
- end
-end
-
-redef class AExpr
- redef fun accept_ast_validation(v)
- do
- super
- if mtype == null and not is_typed then
- #debug "TYPING: untyped expression"
- end
- end
-end
-
-redef class APlaceholderExpr
- redef fun accept_ast_validation(v)
- do
- super
- debug "PARENT: remaining placeholder"
- end
-end
# An extern file to compile
class ExternFile
- # The filename of the file
+
+ # Filename relative to the nit-compile folder
var filename: String
# The name of the target in the Makefile
fun compiles_to_o_file: Bool do return false
+ # Is `self` a Java file to include in the JAR archive?
fun add_to_jar: Bool do return false
# Additional libraries needed for the compilation
CFLAGS += -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
endif
+# Add the compilation dir to the Java CLASSPATH
+ifeq ($(CLASSPATH),)
+ CLASSPATH := .
+else
+ CLASSPATH := $(CLASSPATH):.
+endif
+
"""
makefile.write("all: {outpath}\n")
var java_files = new Array[ExternFile]
for f in compiler.extern_bodies do
var o = f.makefile_rule_name
- var ff = f.filename.basename
- makefile.write("{o}: {ff}\n")
+ makefile.write("{o}: {f.filename}\n")
makefile.write("\t{f.makefile_rule_content}\n\n")
dep_rules.add(f.makefile_rule_name)
stream.write("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
stream.close
- extern_bodies.add(new ExternCFile("{compile_dir}/c_functions_hash.c", ""))
+ extern_bodies.add(new ExternCFile("c_functions_hash.c", ""))
end
# Compile C headers
return v.compiler.modelbuilder.mmodule2node(self)
end
- redef fun finalize_ffi(compiler: AbstractCompiler)
+ redef fun finalize_ffi(compiler)
do
if not uses_ffi then return
nitni_ccu.write_as_nitni(self, v.compiler.toolchain.compile_dir)
for file in nitni_ccu.files do
- var f = new ExternCFile(file, cflags)
+ var f = new ExternCFile(file.basename, cflags)
f.pkgconfigs.add_all pkgconfigs
v.compiler.extern_bodies.add(f)
end
files.add("{compdir}/{c_file}")
- return new ExternCppFile("{compdir}/{c_file}", mmodule)
+ return new ExternCppFile(c_file, mmodule)
end
end
var mmodule: MModule
- redef fun makefile_rule_name do return "{filename.basename}.o"
- redef fun makefile_rule_content do return "$(CXX) $(CFLAGS) {mmodule.cppflags[""].join(" ")} -c {filename.basename} -o {filename.basename}.o"
+ redef fun makefile_rule_name do return "{filename}.o"
+ redef fun makefile_rule_content do return "$(CXX) $(CFLAGS) {mmodule.cppflags[""].join(" ")} -c {filename} -o {filename}.o"
redef fun compiles_to_o_file do return true
end
redef class MModule
# Extra Java files to compile with the module
- private var extra_java_files: nullable Array[JavaFile] = null
+ private var extra_java_files: nullable Array[ExtraJavaFile] = null
end
private class JavaExtraFilesPhase
var mmodule = nmodule.mmodule.as(not null)
var java_files = mmodule.extra_java_files
if java_files == null then
- java_files = new Array[JavaFile]
+ java_files = new Array[ExtraJavaFile]
mmodule.extra_java_files = java_files
end
var format_error = "Syntax Error: `{annot_name}` expects its arguments to be paths to java files."
for arg in args do
- var path = arg.as_string
- if path == null then
+ var name = arg.as_string
+ if name == null or name.is_empty then
modelbuilder.error(arg, format_error)
return
end
+ var path = name.split(".").last + ".java"
+
# Append specified path to directory of the Nit source file
var source_file = nat.location.file
if source_file != null then path = "{source_file.filename.dirname}/{path}"
continue
end
- var file = new JavaFile(path)
+ var file = new ExtraJavaFile(name, path)
mmodule.ffi_files.add file
java_files.add file
end
do
super
- # also copy over the java files
+ # Also copy over the extra Java files
var extra_java_files = mmodule.extra_java_files
if extra_java_files != null then for file in extra_java_files do
- var path = file.filename
- path.file_copy_to("{compdir}/{path.basename}")
+
+ var dir = compdir / file.filename.dirname
+ dir.mkdir
+
+ file.src_path.file_copy_to(compdir/file.filename)
end
end
end
+
+# User supplied Java file to include with the app for use from the FFI
+class ExtraJavaFile
+ super JavaFile
+
+ autoinit full_name, src_path
+
+ redef var full_name
+
+ # Path to the original user file
+ var src_path: String
+
+ redef fun filename do return full_name.replace(".", "/") + ".java"
+end
jni_signature_alt = mclass_type.jni_signature_alt
return_type = mclass_type
else
- params.add "self"
+ params.add to_java_call_context.cast_to(mclass_type, "self")
if signature.return_mtype != null then
var ret_mtype = signature.return_mtype
ret_mtype = ret_mtype.resolve_for(mclass_type, mclass_type, mmodule, true)
redef fun compile_to_files(mmodule, compdir)
do
+ var ffi_ccu = ffi_ccu
+ assert ffi_ccu != null
+
# Make sure we have a .java file
mmodule.ensure_java_files
mmodule.insert_compiler_options
# Enable linking C callbacks to java native methods
- mmodule.ensure_linking_callback_methods(ffi_ccu.as(not null))
+ mmodule.ensure_linking_callback_methods(ffi_ccu)
+
+ # Function to build instances to the Java class NitObject
+ var callbacks = mmodule.callbacks_used_from_java.callbacks
+ if callbacks.not_empty then
+ var cf = new CFunction("jobject nit_ffi_with_java_new_nit_object(JNIEnv *env, void *data)")
+ cf.exprs.add """
+ // retrieve the current JVM
+ Sys sys = Pointer_sys(NULL);
+
+ jclass java_class = Sys_load_jclass(sys, "nit/app/NitObject");
+ if (java_class == NULL) {
+ PRINT_ERROR("Nit FFI with Java error: failed to load class NitObject.\\n");
+ (*env)->ExceptionDescribe(env);
+ exit(1);
+ }
+
+ jmethodID java_init = (*env)->GetMethodID(env, java_class, "<init>", "(J)V");
+ if (java_init == NULL) {
+ PRINT_ERROR("Nit FFI with Java error: NitObject constructor not found.\\n");
+ (*env)->ExceptionDescribe(env);
+ exit(1);
+ }
+
+ jobject nit_object = (*env)->NewObject(env, java_class, java_init, (jlong)data);
+ if (nit_object == NULL) {
+ PRINT_ERROR("Nit FFI with Java error: NitObject construction failed.\\n");
+ (*env)->ExceptionDescribe(env);
+ exit(1);
+ }
+
+ return nit_object;
+ """
+ ffi_ccu.add_local_function cf
+
+ # Function to extract the pointer held by instances of the Java class NitObject
+ cf = new CFunction("void *nit_ffi_with_java_nit_object_data(JNIEnv *env, jobject nit_object)")
+ cf.exprs.add """
+ Sys sys = Pointer_sys(NULL);
+ jclass java_class = Sys_load_jclass(sys, "nit/app/NitObject");
+ if (java_class == NULL) {
+ PRINT_ERROR("Nit FFI with Java error: failed to load class NitObject.\\n");
+ (*env)->ExceptionDescribe(env);
+ exit(1);
+ }
+
+ jfieldID java_field = (*env)->GetFieldID(env, java_class, "pointer", "J");
+ if (java_field == NULL) {
+ PRINT_ERROR("Nit FFI with Java error: NitObject field not found.\\n");
+ (*env)->ExceptionDescribe(env);
+ exit(1);
+ }
+
+ jlong data = (*env)->GetLongField(env, nit_object, java_field);
+
+ return (void*)data;
+ """
+ ffi_ccu.add_local_function cf
+ end
# Java implementation code
var java_file = mmodule.java_file
fun write_to_files(compdir: String): ExternFile
do
var filename = "{java_class_name}.java"
- var filepath = "{compdir}/{filename}"
+ var filepath = compdir/filename
write_to_file filepath
class JavaFile
super ExternFile
- redef fun makefile_rule_name do return "{filename.basename(".java")}.class"
- redef fun makefile_rule_content do return "javac {filename.basename} -d ."
+ # Full Java class name: package and class
+ fun full_name: String do return filename.basename(".java")
+
+ redef fun makefile_rule_name do return full_name.replace(".", "/") + ".class"
+ redef fun makefile_rule_content do return "javac {filename} -d ."
redef fun add_to_jar do return true
end
private class ToJavaCallContext
super CallContext
- redef fun cast_to(mtype, name) do return "({mtype.jni_type})({name})"
- redef fun cast_from(mtype, name) do return "({mtype.cname})({name})"
+ redef fun cast_to(mtype, name)
+ do
+ if mtype.java_is_nit_object then
+ return "nit_ffi_with_java_new_nit_object(nit_ffi_jni_env, {name})"
+ else
+ return "({mtype.jni_type})({name})"
+ end
+ end
+
+ redef fun cast_from(mtype, name)
+ do
+ if mtype.java_is_nit_object then
+ return "({mtype.cname})nit_ffi_with_java_nit_object_data(nit_ffi_jni_env, {name})"
+ else
+ return "({mtype.cname})({name})"
+ end
+ end
+
redef fun name_mtype(mtype) do return mtype.jni_type
end
private class FromJavaCallContext
super CallContext
- redef fun cast_to(mtype, name) do return "({mtype.cname})({name})"
- redef fun cast_from(mtype, name) do return "({mtype.jni_type})({name})"
+ redef fun cast_to(mtype, name)
+ do
+ if mtype.java_is_nit_object then
+ return "({mtype.cname})nit_ffi_with_java_nit_object_data(nit_ffi_jni_env, {name})"
+ else
+ return "({mtype.cname})({name})"
+ end
+ end
+
+ redef fun cast_from(mtype, name)
+ do
+ if mtype.java_is_nit_object then
+ return "nit_ffi_with_java_new_nit_object(nit_ffi_jni_env, {name})"
+ else
+ return "({mtype.jni_type})({name})"
+ end
+ end
+
redef fun name_mtype(mtype) do return mtype.jni_type
end
#
# * Primitives common to both languages use their Java primitive type
# * Nit extern Java classes are represented by their full Java type
- # * Other Nit objects are represented by `int` in Java. It holds the
- # pointer to the underlying C structure.
- # TODO create static Java types to store and hide the pointer
- private fun java_type: String do return "int"
+ # * Other Nit objects are represented by `NitObject` in Java, a class
+ # encapsulating the pointer to the underlying C structure.
+ private fun java_type: String do return "nit.app.NitObject"
+
+ # Is this type opaque in Java? As so it is represented by `nit.app.NitObject`.
+ private fun java_is_nit_object: Bool do return true
# JNI type name (in C)
#
# So this is a C type, usually defined in `jni.h`
- private fun jni_type: String do return "long"
+ private fun jni_type: String do return "jobject"
# JNI short type name (for signatures)
#
# Is used by `MMethod::build_jni_format` to pass a Java method signature
# to the JNI function `GetStaticMetodId`.
- private fun jni_format: String do return "I"
+ private fun jni_format: String do return "Lnit/app/NitObject;"
# Type name appearing within JNI function names.
#
redef fun compile_callback_to_java(mmodule, mainmodule, ccu)
do
+ if self isa MClassType and mclass.ftype isa ForeignJavaType then return
+
var java_file = mmodule.java_file
- if java_file == null then return
+ if java_file == null or mmodule.callbacks_used_from_java.callbacks.is_empty then return
for variation in ["incr", "decr"] do
var friendly_name = "{mangled_cname}_{variation}_ref"
# C
- var csignature = "void {mmodule.impl_java_class_name}_{friendly_name}(JNIEnv *env, jclass clazz, jint object)"
+ var csignature = "void {mmodule.impl_java_class_name}_{friendly_name}(JNIEnv *nit_ffi_jni_env, jclass clazz, jobject object)"
var cf = new CFunction("JNIEXPORT {csignature}")
- cf.exprs.add "\tnitni_global_ref_{variation}((void*)(long)object);"
+ cf.exprs.add "\tnitni_global_ref_{variation}(nit_ffi_with_java_nit_object_data(nit_ffi_jni_env, object));"
ccu.add_non_static_local_function cf
# Java
- java_file.class_content.add "private native static void {friendly_name}(int object);\n"
+ java_file.class_content.add "private native static void {friendly_name}(nit.app.NitObject object);\n"
end
end
var arr = new Array[String]
for variation in ["incr", "decr"] do
var friendly_name = "{mangled_cname}_{variation}_ref"
- var jni_format = "(I)V"
+ var jni_format = "(Lnit/app/NitObject;)V"
var cname = "{from_mmodule.impl_java_class_name}_{friendly_name}"
arr.add """{"{{{friendly_name}}}", "{{{jni_format}}}", {{{cname}}}}"""
end
return super
end
+ redef fun java_is_nit_object
+ do
+ var ftype = mclass.ftype
+ if ftype isa ForeignJavaType then return false
+
+ var java_primitives = once new HashSet[String].from(
+ ["Bool", "Char", "Int", "Float", "Byte", "Int8", "Int16", "UInt16", "Int32", "UInt32"])
+ return not java_primitives.has(mclass.name)
+ end
+
redef fun jni_type
do
var ftype = mclass.ftype
if mclass.name == "UInt32" then return "Int"
return super
end
+
+ redef fun compile_callback_to_java(mmodule, mainmodule, ccu)
+ do
+ # Don't generate functions for reference counters on extern classes
+ if mclass.ftype != null then return
+
+ super
+ end
+
+ redef fun jni_methods_declaration(from_mmodule)
+ do
+ # Don't generate functions for reference counters on extern classes
+ if mclass.ftype != null then return new Array[String]
+
+ return super
+ end
end
redef class MMethod
var cparams = new List[String]
- # This is different
- cparams.add "JNIEnv *env"
+ cparams.add "JNIEnv *nit_ffi_jni_env"
cparams.add "jclass clazz"
if not self.is_init then
ffi_ccu.write_as_impl(self, compdir)
for filename in ffi_ccu.files do
- var f = new ExternCFile(filename, cflags)
+ var f = new ExternCFile(filename.basename, cflags)
f.pkgconfigs.add_all pkgconfigs
ffi_files.add(f)
end
mmodule.ldflags.add_one("", "-lobjc")
- return new ExternObjCFile(compdir/c_file, mmodule)
+ return new ExternObjCFile(c_file, mmodule)
end
end
redef fun makefile_rule_name do return "{filename.basename(".m")}_m.o"
redef fun makefile_rule_content do
- return "clang $(CFLAGS) -c {filename.basename} -o {makefile_rule_name}"
+ return "clang $(CFLAGS) -c {filename} -o {makefile_rule_name}"
end
redef fun compiles_to_o_file do return true
end
import astbuilder
intrude import literal # for value=
intrude import typing # for mtype=
-import astvalidation
import explain_assert_api
import modelize
import astbuilder
private import annotation
-private import astvalidation
redef class ToolContext
# Transforms a function annotated with "threaded"
var cflags = mmodule.cflags[""].join(" ") + " " + pkg_cflags
var obj = compile_dir / filename.basename(".c") + ".o"
- var cmd = "{v.c_compiler} -Wall -c -fPIC -I {compile_dir} -g -o {obj} {filename} {cflags}"
+ var cmd = "{v.c_compiler} -Wall -c -fPIC -I {compile_dir} -g -o {obj} {compile_dir / filename} {cflags}"
if sys.system(cmd) != 0 then
v.fatal "FFI Error: Failed to compile C code using `{cmd}`"
return false
for mmodule in compiler.mainmodule.in_importation.greaters do
var extra_java_files = mmodule.extra_java_files
if extra_java_files != null then for file in extra_java_files do
- var path = file.filename
- path.file_copy_to(java_dir/path.basename)
+ var path = file.src_path
+ var dir = file.filename.dirname
+ (java_dir/dir).mkdir
+ path.file_copy_to(java_dir/file.filename)
end
end
module transform
import astbuilder
-import astvalidation
import semantize
intrude import semantize::scope
intrude import semantize::typing
emscripten
-java
glsl
mpi
objc
# limitations under the License.
module test_ffi_java_annot_files is
- extra_java_files("test_ffi_java_annot_files_a.java")
+ extra_java_files("test_ffi_java_annot_files_a")
end
import java